If China mounted a huge invasion of Taiwan next year, I think Biden and the Taiwanese people would accept it, rather than fight. If they do fight, they'll reckon that China will win in the end, and then rule very harshly, 're-educating' the people who dared to resist.
I'm sorry, but this is utter tosh. China is in no position currently to mount a successful sea-borne invasion of Taiwan, and it is highly unlikely this would change within the next 12 months. If they attempted it, the Taiwan military would fight tooth and nail to resist, backed by the US military and it would almost certainly fail.
I'm no expert either, but have work colleagues in Taiwan and we've talked about this over beers before. This took my interest so I've read a bit on the subject, and China doesn't have the capability to invade Taiwan. This article is a decent starting point:
I'm sorry, but this is utter tosh. China is in no position currently to mount a successful sea-borne invasion of Taiwan, and it is highly unlikely this would change within the next 12 months. If they attempted it, the Taiwan military would fight tooth and nail to resist, backed by the US military and it would almost certainly fail.