It sounds to me like one of the typical articles that tries to induce panic without actually providing much information or context.
Whenever I see such articles here in Germany, I go to the official statistics for ICUs, and inevitably it always turns out to be bullshit.
Some of the things that are hyped to be a consequence of Covid also turn out to be seasonal, even shortage of oxygen does not seem to be unusual.
This is the German site I refer to: https://www.intensivregister.de/#/aktuelle-lage/zeitreihen