I'm not comfortable with the blame China narrative. I have a strong suspicion it comes from the same right wing social media sorces that promote Trump and similar brands of populist BS.
There seems to be a couple of criticisms:
1, they didn't warn others soon enough - clearly not valid as western countries did nothing for weeks anyway.
It’s true the West were slow but the chain reaction was caused through China lying for weeks that it wasn’t transmissible between humans, which not only allowed the situation to get out of control, it probably killed tens of thousands of Chinese citizens.
Actively misleading other nations and the WHO has done more damage to the global crisis than anything another nation has done.
We were too slow though and letting people enter the UK from China and Italy, without quarantining and without testing was akin to suicide.
2, the numbers are not accurate - Same everywhere.
In the UK they have admitted, doing so very early, they’re so far only counting hospital deaths due to the logistics of testing those at home.
The reports on China is that they’re purposefully covered up 90%+ of deaths and true figure is 14-15 times higher than what they’ve said, continues to grow and their population are still in danger.
They’re still lying when they’re weeks and weeks ahead of everyone else.
It’s the like comparing speeding by 5mph to mass murder.
3, they are sending out dodgy equipment - China has made itself by producing vast quantities of often low quality goods, western companies have made $bns out of importing it and selling it. The quality issue has always been there - they are a low standards economy. What do you expect.
This one is the least of my concern as I actually doubt it’s the Communist Party’s fault.
Beyond the above I don't see what they have done to deserve criticism.