Say what you will about Daredevil rumors since those involve projects that have yet to release and therefore unproven, but Venom isn't really up for debate anymore. It's already happened.
Maybe he'll be in No Way Home, maybe not, maybe that Venom2 post-credits setup was instead for a later movie. (I'm currently guessing it's a set-up for another later movie, and he might get a post-credits in No Way Home.) But regardless, Venom has entered the MCU. That doesn't necessarily mean he'll be chatting up Captain America any time soon, his involvement will likely remain limited to Spidey's corner of New York, but from a canonical story point of view he is currently in the MCU, just as Spider-man is, despite both being owned by Sony.
In later replies you seem fixated on whatever legal agreements are in place behind the scenes while everyone else is simply talking about what actually matters to the viewers, the story. Tom Hardy's Venom character is currently factually part of the MCU canon now. And if I had to guess, I think Marvel probably has story control over him during his appearances within any MCU media, however limited they may be. Similar to what is agreed for Spidey (which would obviously not apply for any appearances outside the MCU, like the first two venom movies or morbius etc.).
