US-Iranian Relations under Biden were complicated and nuanced.
Biden was VPnundee the Obama administration who famously came close to finalizing the "nuclear deal" with Iran, under which they would cooperate with UN inspectors and be allowed to enrich unraniun for energy, sanctions woukd have been eased, relations would have been normalized. That is NOT to say everything would have been sunshine and rainbows in the Middle East. Khomeini was still an oppressive dictator, US inperalism would still continue, oil would be even cheaper and continuing to destroy the planet, and the region would still have plenty of tensions from religious, ethnic, and political divides. But it would have been one of the biggest steps towards peace and stability since since the Ottoman empire collapsed.
Trump tore it up in his first term and illegally assassinated an Iranian general in early 2020. Which was quickly forgotten about in the news cycle because of Australia wildfires and then Covid.
Biden tries to restore that deal, but it waa made much more difficult because Iran (and most of the world) learned they could not trust the US long-term.
Biden was a war criminal who continued a lot of war crimes in the middle east from his predecessors, but to suggest he would have provoked or forced an issue with Iran similar to what Trump is doing is just asinine "both sides"-ing. Biden also LISTENED to his military experts who would have told him what a dumb idea this was.