Firstly malqata is, I admit a long way from Karnak, but not so far from the Temples of Luxor and the West Bank. it was also the palace that Amenhotep III spent his last years. He built away from the city of Waset, which co-incidentally is also where most of the major temples were located (those to Amun, Montu, Mut and Khonsu). There is i admit plenty of evidence that the old gods were worshipped at Akhetaten by the ordinary people, there are however no depictions of the king and the old gods save the Aten. There are no other temples at Akhetaten save those to the Aten. I am sorry if it seems that I constantly disagree with you on this subject, but i am merely trying to make sense of a period which is immensely confusing. If you would please kindly expand my knowledge on it then I probably wouldn't. I am far more specialised in much later Egyptian history, especially the Ptolomaic lines. Regarding Tiy, I did not merely mean the changes her son (and husband) made to religion but also the way in which Akhenaten lost much foreign territory. If you want my source on that it is:
Letter No. 1:
I have written repeatedly for troops, but they were not given and the king did not listen to the word of his servant. And I sent my messenger to the palace, but he returned empty-handed - he brought no troops. And when the people of my house saw this, they rediculed me like the governors, my brethren, and dispised me.
Letter No. 2:
The king's whole land, which has begun hostilities with me, will be lost. Behold the territory of Seir, as far as Carmel; its princes are wholly lost; and hostilities prevail against me. As long as ships were upon the sea the strong arm of the king occupied Naharin and Kash, but now the Apiru are occupying the king's cities. There remains not one prince to my lord, the king; every one is ruined. Let the king take care of his land and let him send troops. For if no troops come in this year, the whole territory of my lord, the king, will perish. If there are no troops in this year, let the king send his officer to fetch me and his brothers, that we may die with our lord, the king.
Letter No. 3:
Verily, they father did not march forth nor inspect the lands of the vassal-princes. And when thou ascended the throne of thy father's house, Abdashirta's sons took the king's lands for themselves. Creatures of the king of Mittani are they, and of the king of Babylon and of the king of the Hittites.
Letter No. 4:
Who formerly could have plundered Tunip without being plundered by Thutmose III? The gods of the king of Egypt, my lord, dwell in Tunip. May my lord ask his old men if this not be so. Now, however, we belong no more to our lord, the king of Egypt. And now Tunip, thy city, weeps and her tears are flowing and there is not help for us. For twenty years we have been sending to our lord, the king of Egypt, but there has not come to us a word - no, not one.
These are taken from the Tel-el-Amarna tablets.
On regard to the supposed monotheistic attitude of Akhenaten i will leave you with 2 extracts from his Hymn to the Aten:
Thou sole God,
There is no other like thee
From Winton Thomas's English translation published in Documents from Old Testament Times.
I will apologise again if I have displeased you, but I am merely trying to widen the thoughts and arguments that I have heard in the past from others. I believe for example that the Aten cult was a very personal religion, that is why there is so much evidence for continuation of old beliefs amongst the poor. It is amongst the royal family though that the Aten cult must be studied, as only they had closer access to their "god".
Thou dost appear beautiful on the horizon of heaven, oh living Amun, he who was the first to live.