They still have to somehow get a large army across the straits and supply them during the campaign. This is something that they really have no capability to accomplish.
Right. What's their "gator navy" up to these days?
I forgot to fix the link to
The Annual Report on the Military Power of the People's Republic of China
an excerpt re: maritime forces...
New amphibious ships are being produced in China to replace aging bottoms. The PLAN also has hundreds of smaller landing craft, barges, and troop transports, all of which could be used together with fishing boats, trawlers, and civilian merchant ships to augment the naval amphibious fleet for follow-on forces and materiel after a port has been secured or beachhead established.