Mechanic you should do a video on this.
Many people think prunable means they can remove from their node. The pruning is only for utxo validation but once in block it stays there forever. This means if you run full node you will have it.
Already everyday so much junk is put in the OP_RETURN (even with <80bytes).
I run a spam check (I have a simple ML classification model )
It detects
| 🧬 Malware indicators : `MZ`, binary blobs, shellcode, etc.
| 🧱 Overly large payloads : Likely trying to store malware
| 🧾 Structured address spam: Recognizable crypto address formats
| 🧟 Botnet / C2 : Random hex data, possible signal packets
| 🧨 Garbage entropy :Nonsense strings, high entropy content
