I don’t support Biden since he will raise Corp taxes, capital gains tax, and income tax. Raising taxes will slow economic growth.
If you actually look at the historical correlation between corporate tax rate and GDP growth this isn’t actually true. It does in fact depend on how these tax proceeds are spent but if they are for instance invested in sorely needed infrastructure projects higher corporate taxes could actually be a catalyst for increased economic growth. Higher corporate taxes does put some onus on government acting wisely however and I do understood your justified skepticism of that angle.
Here is an interesting older analysis on the topic from a non partisan think tank.
Corporate tax rates and economic growth since 1947
Cutting corporate taxes won't spur economic growth, and there is no evidence that high corporate taxes have a negative impact on the economy. In fact, there is no correlation at all between corporate tax rates and economic growth.
www.epi.org