> In bitcoin terms it’s gotten cheaper. I hope you’re not serious here. 🫠 Anyway, the evidence is the size growth of the UTXO set. Check the link below. There’s also the testimonial evidence from node runners that made a fresh IBD in the past year, all of them reporting slower node sync, especially when downloading the past 2 years worth of blocks. Of course you can always claim that they are dishonest, which is why you should try an IBD yourself, ideally on a machine with 4-8GB of RAM.

The Impact of Spam on Bitcoin

Stats about the impact of spam on Bitcoin