I've wondered that as well, and if there could be an attack vector if there is a critical mass of nodes running on a certain platform, or not enough "diversification" in the wild?

That is part of the reason I run numerous platforms of nodes, including:

-Umbrel: https://umbrel.com/

-myNode: https://mynodebtc.com/

-Ronin Dojo: https://ronindojo.io/

-Start9: https://start9.com/

-Citadel: https://runcitadel.space/

-Blockstream Blocksat https://blockstream.com/satellite/

-Homebrew node: https://www.ministryofnodes.com.au/ubuntu-node-box-guide-2022

Not only do I do I see it as creating a little variety in the wild, but I then get to try out different technology.