I wouldn't worry too much. It's 1 year before the election. The election is really won in the last 4 to 6 months, maybe 3 to 4 and voters memories are often short.Biden losing massive Arab and Muslim support might be the end of Biden's chances depending on how this thing plays out.
Biden has a lot to overcome to win this election.
He's counting on White women(abortion) and blue collar Unionized White males to win
Bush won re-election and the popular vote while in the middle of two unpopular middle east wars that did cause some social backlash in America.