The tools and knowledge exist to make building standards compliant web applications just as easy, if not easier, than chrome-only web applications. It's not the responsibility of management to use those tools or acquire that knowledge.
Unless you're using some fancy WebGPU shit. I don't think we're talking about some fancy WebGPU shit.
And who is going to take his place? There's no Dem who could pull enough moderates at this point in the race to win. Biden never wanted to run to begin with, but was pressed into it because was the only possible candidate with enough appeal to beat trump (except Bernie, but Dem leadership messed that one up).
The only reason his debate performance matters is because all the never Trumpers who spend too much time doom scrolling are forcing it into the news cycle.
If Biden bows out now, Trump wins.