Even if it is less dangerous than Delta, the higher number of cases will still flood the hospitals.
[edit] Why doesn't Joe Biden, the sleepiest of all Americans, simply press the end the pandemic button? https://pbs.twimg.com/media/FIOawujXwAwwg8V?format=jpg&name=large
You're right that higher vaccination numbers would mean fewer hospitalisations. However, the plan is to pretend it doesn't exist, so even if this was a fully vaccinated population, the number of covid cases would/will be so high that hospitals would be overwhelmed anyway.