1) Such soft power is exerted by PRC everywhere in the region, and even against the US as exemplified by the trade "war" (it takes two to fight a war). If Taiwan was under the thumb of China then it wouldn't be able to, or need, to ban Chinese social media.

2) Same can be said for average PRC citizens too—they're not really day-to-day concerned about owning Taiwan. They often travel there for vacation too.