Evidence for Q is not necessarily a papyrus or parchment written with exclusively Q text. Evidence can be deducted, in case of Q, as an ensemble of all common items in gMatthew & gLuke, but not in gMark.(Bernard wrote:) In-depth & documented research on the historical Jesus and the beginning of Christianity, from available evidence & critical methodology
Do not guess what I would argue. Anyway you guessed wrong. I suspect you wished I would have argued that way: fat chance.Of course, you'll argue that they have little in common.
Coincidence, you'll likely say
I think you got enamoured (shall I say fanatic!) by gThomas, and knowing that a Q document has not been found, never considered that gThomas is dependent on the canonical gospels.