This thread from @nonlinear brings up what makes me most nervous about the rush to Mastadon: 1) the seductive nature of turning FOSS alternatives into infrastructure without mitigating the dangers inherent with having the software's development be a single point of failure, and 2) what happens when some guy's FOSS baby gets intense attention.
https://mastodon.com.br/@nonlinear/109526471201865675
Let me explain, and no, this is neither a popular opinion nor particularly well-thought-out: