Liquid metal oxidation, and prevention. How often should it be redone?

With Liquid metal oxidation being a potential serious problem not even 3 years into the PS5's life cycle, how often should one check for oxidation, and remove it, then reapply liquid metal?

I have been maintaining my PS5 on a bi-weekly basis since I got it over a year ago.

I had never gone beyond compressed air, removed fan level.

The console is used heavily. Averaging 16 hours up time a day with 8 of those using high demand games. (Fidelity settings over performance.)

The last thing I want is wear I cannot even see shortening the life of my console, especially something I can potentially prevent.

Yes, my console has been vertical since I bought it. Yes, I know being vertical is of no consequence for a PS5 that has never been disassembled.

I also assume it to only be a problem for those poorly reassembled due to how well adhered the "well" system is that contains it.

As of now, some 16 months into my PS5's life cycle, it has shown no problems in function, or cooling that I am able to assess by usage, or even fan noise, and speed.

Anyone with extended experience tearing down a Disk Version 1100 Series PS5's input would be greatly appreciated.