by creating longer lines and a wasting their tax funds
This assumes the voting process will stay exactly the same as it is today
Of note - mandatory only means that it is legally required. It does not mean you have to force them to show up. It specifies nothing in terms of actual implementation, other than a law requiring a vote.
I appreciate your warning, and would like to echo it, from a safety perspective.
I would also like to point out that we should be approaching this, as every risk, from a harm reduction standpoint. A drug with impurities that could save your life or prevent serious harm is better than no drug and death. People need to be empowered to make the best decisions they can, given the available resources and education.