Among other reasons, this is in big part happening due to a large push toward mail-in voting come the next Presidential election. It seems that certain political entities think they will suffer at the poles due to the fact that it’ll be easier to vote. easier voting -> more votes -> undesirable outcomes
Edit: article in case anyone isn’t convinced (I was skeptical at first, given the tone of the discussion): https://www.nytimes.com/2020/04/10/us/politics/vote-by-mail....