First things first, I don’t doubt it is a bad thing, considering who supports it and who doesn’t.
But my question is what exactly is the issue and what is the current and proposed voting process when it comes to IDs?
Here in my EU country, you have to show some version of a government ID, be it an ID card, drivers license or passport. And we don’t have to pre-register to vote.
What “voter ID law?” It would be unconstitutional to legislate that at a federal level and while I don’t doubt Republicans would love to try it, I’ve not heard about that.
As with most laws in America, voting related laws are passed at the state level. There have been probably hundreds of bills like this over the past 20 years so you’d need to be more specific for anyone to address the “law” singular as you put it.