The Democrat Party authorities or 'controllers' sense that the endless racism and White Supremacist boogieman under your bed mantra has become passé. Therefore, they have to change their focus to a new boogieman under the bed to scare their base into voting. Now, we are seeing Democrats keeping the eternal 'racism' trope but adding 'voting rights' with it. Both of these are phantom issues which most Blacks and minorities do not care about.
Major issues today for ALL people including Blacks and other minorities are CRIME, INFLATION, and COVID RESTRICTIONS. But Democrats cannot discuss these issues because all of these are the fault of Democrats and Democrat policies. So they must distract with something new which does not exist and therefore can NEVER be actually fixed.
They must have done some kind of survey or focus group which told them that 'voter rights' would play well in their base demographic. Also, when the blowout election many predict to come in November happens, this gives them an already formulated foundation to claim the defeat was not their fault. It was all because of the evil racist White Supremacist Republicans suppressing the vote by corrupting 'voter rights'. Even the Democrats are predicting defeat in the next election and are laying a foundation now to challenge the results.