Should the US commit to defending Taiwan?

[Kahane's Grave Is A Gender-Neutral Bathroom]

If China actually attacked Taiwan I would not want to go to war with them over it but publicly our policy should be that we would as a deterrent. That deterrent would feel a lot more credible if Biden hadn't let the Taliban take over Afghanistan, though. Not sure why China would expect us to do anything, just like Russia and Ukraine.   

Yes, NATO famously fell apart and Ukraine fell within days  🙄