From the Fujian coast? My map doesn’t have the scale notation.
But Cuba to Miami is 90 miles, yet thousands have made that trek in leaky rafts, which is comparable at least to my friend’s midnight swim. Plenty of people do escape to Taiwan from the mainland, though I don’t know whether by boat or swimming, or how many die en route or are caught. The urge to escape communist regimes is hardly unusual.
The Taiwan Strait is like the English Channel — wide with serious tides and lots of storms through most of the year. There are also few beaches that would be suitable for a Normandy style invasion. A pure airborne operation wouldn’t cut it. The PLA might her the first wave ashore, but without supplies, command of the air, those troops March into POW camps.