Not micro-blocks, but transactions. Isn’t this the most critical metric ?
It doesn’t measure inter-block times, but how much blocks/time it takes for a transaction to be included on-chain. This represents the network latency, a high number might imply a busy network or unfair leaders.
In general I don’t understand your concerns, if you see any problem with that please share it so we can evaluate and discuss it.
I already posted my general opinion in the previous (duplicate) thread: