In most countries, running at 90% ICU capacity is the normal state of affairs, Germany being an exception.
Of course you can always warn that the health care system is just about to collapse.
In 2015:
https://www.theguardian.com/society/2015/sep/19/nhs-collapse...
In 2016:
https://www.theguardian.com/society/2016/sep/10/hospitals-on...
In 2017:
https://www.theguardian.com/society/2017/feb/20/nhs-at-break...
In 2018:
https://www.theguardian.com/commentisfree/2018/apr/06/nhs-fa...
In 2019:
https://www.theguardian.com/society/2019/dec/02/nhs-winter-c...
In 2020:
https://www.theguardian.com/world/2020/mar/21/doctors-warn-c...
In 2021:
https://www.theguardian.com/world/2021/jan/09/nhs-counts-the...
Spoiler: The NHS did not collapse. Working right at the brink of collapse is normal.
> It didn't help in the sense that hospitals are overcapacity and new cases, hospitalisation and death rates were still exploding until the recent pseudo-lockdown.
According to your own source, hospitals are not over capacity. If you had a few super spreader events, that could obviously change rather quickly. Whether a "pseudo-lockdown" meaningfully slows spread is not so obvious.