There's only so much they can do when dealing with obstructionism, but the party is still putting forward legislation. For recent examples see The American Homeownership Act (https://www.banking.senate.gov/newsroom/minority/senate-demo...) and the Stop Corporate Takeovers of Physicians Act (https://www.warren.senate.gov/newsroom/press-releases/warren...)
The contrast implies that Republicans are in your words "anti-corporate"
Trump just removed Obama era greenhouse gas finding.
"President Trump and Administrator Zeldin Deliver Single Largest Deregulatory Action in U.S. History"
https://www.epa.gov/newsreleases/president-trump-and-adminis...
Democrats also had massive number of anti-trust regulations during Biden and Obama.
You're claiming they've done nothing on anti-trust?