Wow only one developer working on PeerTube and not even full time. No way will that level of effort be able to challenge any of the incumbents.
It's why FOSS can't make serious inroads in a lot of domains. Like 20 years ago I was convinced we'd all never be paying for Word, but here we are, 20 years later, still buying Word.
Inertia has long lasting effects.
It's about a libre alternative.
Does the apple challenge the orange? They are both fruits!