Didn't the bronce age end like three thousand years ago? It's my understanding that by that time the Indo-Europeans were already well established. Besides while

Didn't the bronce age end like three thousand years ago? It's my understanding that by that time the Indo-Europeans were already well established. Besides while they contributed a large fraction of the ancestry of contemporary Europeans a significant fraction of the ancestry is still from the middle eastern farmers which conquered Europe before them. Even if you only look at the Y chromosome, there is still quite a bit none R1 floating around.