You: There are no trees here!
Life: Plant trees.
You: No! They'll take 20 years to grow! That's too long.
20 years later:
You: There are no trees here!
Extend this metaphor to whatever suits you.
The best time to plant a tree was 20 years ago. The second best time is today.
It's only 32 bits so it's prone to collision, but it's better than nothing. Like holding physical money up to the light to see a watermark. Not impossible to fake, but ok for most.
The token should be identified by the ticker + hash. For example, if the ticker is SLP and the hash of the creation tx ends in a1b2c3d4, it should be identified as SLP#a1b2:c3d4.
If you look in the Memo block explorer it will print the op codes but not the PUSHDATA op codes. So you'll see OP_RETURN followed by the data instead of OP_RETURN + PUSHDATA + data.
That sounds like “sovereign citizen” bullshit. Avoid the hassle and legal trouble. Just comply and fight it out in court. You might get $$ out of it instead of getting shot.