There are many issues with microblogging on topics that are controversial, uncertain, and on which I have unclear, contradictory, or nuanced opinions.
If you can't easily reduce your thoughts to 500 characters, should you just remain silent, or try your best & hope people will consider your writing in good faith?
Ah, good faith — there's the rub! How many will take what you write and form the most unfair interpretation of it, aka a strawman?