Absolutely not true (as per the links above).
It's reaching a greater number of people, as viruses do because they want to survive but have to weaken to do so, but only causing any kind of issue for the elderly and the already sick.
Rising Omicron cases not being matched by hospitalisations, figures show | Daily Mail Online
As it was before, pretty much, but the numbers are even lower now because the virus is even weaker than it previously was. Simple maths because the virus is already weaker, so it won't affect many apart from the very weakest.
Figures aren't helped at home by the way the government exaggerates them either:
NHS is urged to stop counting thousands of Covid 'patients' in official data as critics say the QUA | Daily Mail Online
And the reason hospital rates are higher at this time of year is because it's winter in the northern hemisphere and is standard for the course. Omicron is nothing more than a sniffle and doctors on the front line are saying the same.
PROFESSOR CARL HENEGHAN: I'm a GP on the frontline, and I don't think we're overwhelmed with Covid | Daily Mail Online
It's just a continuation of Project Fear and, although it pains me to say this, only the right wing media are willing to put these facts out into the open. The lockdown-loving lefties at the Guardian most certainly aren't.