For tax purposes and to lobby for pet projects, yes they lobby both sides. Some corporations lobby for ideological issues. You will find that the vast majority of them get republican support. Plenty of not-for-profits lobby the left as well but you're not buying their products and paying for ideologies you may not agree with.
Our votes do nothing to impact politicians or policy. The needs of capital will always be addressed while we get left over table scraps, that inevitably still benefit capital.
No, what is an insult is the American electoral system where at the end of the day, your individual vote means nothing. Your so called representatives do not work for you. They only represent you only paper. They are there to enrich themselves through corporate dollar and stocks, because capitalism and individualism.
My inaction isnt getting Palestinians killed, my inaction hasnt caused the highest spike in homelessness ever seen, my inaction isnt causing a rise in suicides, my inaction isnt causing stagnant wages. If allowing the deaths of brown people is seen as the lesser evil then there is a serious problem with the mental health and empathy of Americans. If the tables were turned and Trump was currently in the WH, liberals would be calling out all the injustices they are currently turning a blind eye to. But the lesser evil they accept year after year, decade after decade, has grown so enormous they can no longer see evil for what it is. They have become the evil they claimed they were voting against
The issue with that sentiment is that a significant amount of the population simply can't afford to be picky. They buy the cheapest available version of whatever they need because that's what they can afford. All of the power of consumer choice is slowly being stripped away as more and more people are pushed into poverty, and that's by design.