They treat him like a chaos agent and not like an actual presidential candidate of one of the major parties.
If Biden were proposing to deport 12 million people, 60% tariffs on China, sending the military into Mexico, etc. we'd get non-stop coverage of it and countless op-eds.
There's a very real possibility this dude gets re-elected this November and any number of his proposed policies would be a disaster for the country and the US economy.