Everyone’s just trying to survive. In one corporate biography type book the author asserted Zuckerberg would institute “lockdown” when he thought they were behind features. I believe the instagram book had a similar claim about Sidstorm (sp?).
I guess when network effects are life you can’t afford to not be the network. Google was smart to nab YouTube. And android. Meta was smart to grab instagram and WhatsApp (and that same logic, after missing out on making a phone, I bet is why they’re rushing to own VR). Innovate, copy, or die, basically.