Personally, I'd support more European backing of Taiwan, and if it needs to be by deploying a bunch of troops there, then that's fine by me.
The problem is that the German automotive industry has only China as market to grow (Europe/US/Canada are saturated, South America, most of Asia and Africa don't have enough rich elites, Arabia wants ultra-luxury/sports cars), and the automotive industry is extremely well connected to our politics - even if the CDU/CSU aren't in government any more, liberal FDP now is, and they'll bow to the whims of the industry... meaning Germany will not consent to anything that threatens the automotive industry. Italy and Greece have been forced to sell off harbors, airports and other infrastructure to China as a consequence of the 2008ff crises, Croatia has sold a large and important bridge project to China, and Hungary's Orban is effectively China's puppet.
The result of that, combined with the 100% consensus requirement on European foreign policy decisions, is why Europe will likely rather stand aside than show China the well-deserved boot. Especially disgusting given that the European Union's foundation was the lessons-learned of the NS dictatorship and we all swore "never again" - and now we're staying silent as China is building concentration camps for Uyghurs and Tibetans.