Complex sentence: I find the suggesting that he is the same user as to be highly compelling, but that alone is not enough to completely erode my trust in him; although it explicitly states otherwise, "does" apply to banned users in practice.
Split into simpler sentences: I find the suggesting that he is the same user as to be "highly" compelling. That alone is not enough to completely erode my trust in him; although it explicitly states otherwise, "does" apply to banned users in practice.