No, you still validate the whole block and all transactions are added to your hard disk, the only thing you do is not to add those transactions to your mempool. The computational cost is negligible.
Discussion
I've been living in a false simulation the whole time 👀
But what if many run Bitcoin knots instead of Bitcoin core. Let's say the majority wouldn't the spam gradually disappear from the mempool.
For me the unnecessary data (inscriptions, ...) is an attack on decentralization.
nostr:nprofile1qqs0m40g76hqmwqhhc9hrk3qfxxpsp5k3k9xgk24nsjf7v305u6xffcppemhxue69uhkummn9ekx7mp00qjrgs can explain this much better than me.
Exactly, but unfortunately the miners are interested in bullshit spam.