Because I mostly don't want longer text from people. Twitter forces people to be concise. One of my favorite things about Twitter is the large number of voices I can follow. More text per person means less voices.
That said, I think they could do it successfully if text were treated as another media attachment like photos or videos or links. People would still have to write a concise ~120 character intro; if I wanted more I could click to expand. But making main posts longer would be a great disappointment to me, possibly enough to kill my use of the platform.
That said, I think they could do it successfully if text were treated as another media attachment like photos or videos or links. People would still have to write a concise ~120 character intro; if I wanted more I could click to expand. But making main posts longer would be a great disappointment to me, possibly enough to kill my use of the platform.