If we know that hospitals started to struggle, once a certain measure based on whatever criteria reached a certain magnitude, and we can see that the same measure, using the same criteria, is approaching a similar magnitude again, then it's entirely reasonable to take it seriously. That is not cherry picking.
The tricky bits are twofold.
The first is defining "stuggling", by some measures the NHS has been struggling for years.
The second is distinguishing fluctuations from trends.
Since late July Hospitalizations have been fluctuating with no clear trend. The "7 day average" figure rose to 913 on the 23rd July, dropped to 766 on the 2nd August, rose again to 1019 on the 6th September, dropped again to 731 on the 28th September, rose again to 1053 on the 20th October, dropped to 759 on the 25th november. The most 7 day average listed is 854 for the 8th December, that is still closer to the previous dip than to the previous peak.
By comparison, last year hospitalisations rose to 1781 on the 13th of November, dropped to 1385 on the 29th of November, then rose again until a peak of 4234 on the 9th of January. The figure was 1642 for the 8th of December last year. In other words, last winter's dip was higher than the highest peak so far this winter and the most recent figures are better than the figures for the same date last year by a factor of nearly two.
I presume the powers that be are hoping that the booster programme, plus the newly available treatments, plus the reported lower severity of omicron will allow them to keep hospitalizations at a level they consider manageable (which may well be different from what NHS staff think is manageable) despite the inevitable rise in cases.