Not fully blocked, but definitely some things that weaken censorship resistance:

ASICs are not as ubiquitous as CPUs. Less potential for decentralization.

Bitcoin miners can do targeted censorship. Not possible with Monero.

Most ASICs are made by 2 manufacturers. I'll let you imagine the implications.

Not discrete. If you buy an ASIC it is obvious what you are doing with it. Along with large energy draw, heat, and noise all paint you as a target.

Large corporate mining farms easily capturable by governments if/when they want to.

When price drastically drops, many miners are put out of business, ASICs are sold off and can be snapped up by governments or centralized entities.

The biggest mining pools are now KYC'd.