Since you're using me as an example, my point is about the enormous efforts and resources some organizations pour into increasing voter turnout and electoral strategies over the time-tested and far more effective strategies of actually struggling and organizing. No, an individual taking a couple hours to vote isn't a problem. It's a problem when an organization makes preparing for, canvassing for, advertising for, and organizing for elections their primary focus. That takes far more effort than even week-long strikes, yet it's a common strategy.
The point isn't that individuals shouldn't spend a couple hours to vote. The point is that voting cannot establish socialism, so organizations that pour a ton of resources into electoral campaigns are wasting valuable resources that could be poured into unionizing, organizing tenants, educating cadre, and growing the organization through on-the-ground struggle.
It's intensely dishonest to frame it as opposition to spending a couple hours voting on election day. The entire political theatrics that surround elections is a months-years long process that takes up mountains of resources better spent on growing and organizing than pinning all hopes on candidates being able to change the system from within.