Tencent can’t even effectively enter non-mainland Chinese markets (HK, Taiwan, Singapore, etc...) or the countries surrounding the PRC (Cambodia, Myanmar, Vietnam, India, Russia, Korea, ....). Their scope is very china limited, where they have no experience competing with international contenders.
Missed my point: First it is only fair. You cause problem for our Google and Facebook expect the same. That's fairness and economic patriotism. Not to mention that Google and Facebook "own" or can own US Congress and Senate. Hearings will start in days.
I believe that in authoritarian regimes you have ZERO choice or recourse. See Russia or Al-Waleed in Saudi Arabia. They will simply shut you down, break you in a gazillion pieces.
In USA you have courts at least. Have you noticed that Google is pushing encryption all over the web to make NSA's job harder or impossible? Let Alibaba or TenCent help thwarting FSB or China's security services