And the answer is: of course it is. Remember: under the Obama administration, ISIS established a caliphate in Iraq and Syria that was larger than Britain, and on January 20, 2017, looked as if it was here to stay. Now ISIS knows it is the time to strike again.
“Is ISIS Being Empowered by The Biden Administration? Deadly Terrorist Attacks Follow The US Inauguration,” Al Bawaba, January 24, 2021:

Only hours after the US welcomed a new president into the White House, the Iraqi capital was rocked with two deadly suicide bombings that resulted in at least 32 deaths and hundreds of injuries. The attack which was attributed to ISIS sparked discussion over the new administration policy towards Iraq and whether or not the terrorist group has timed its attack to coincide with the start of the Biden administration….
Social media users widely shared news of the Baghdad attacks since Thursday, labeling it as one of the worst in the city over the last few years, wondering whether or not it carries any political messages to the new US administration.

Some online commentators argued  such attacks might have been intentionally allowed to take place it justify the return of US troops to Iraq that were withdrawn by the former Trump administration less than a year ago. Some tweets also went on to accuse the Biden administration of “funding groups like ISIS” to overthrow the Russian-backed Assad regime in Syria….