I hope they eventually do this in the UK. Weed is basically not illegal if you’re relatively well off and white. I’ve seen a number of cops just take the weed away from a rich uni student or similar and bin it with no further action taken, but if you’re not, criminal charges await. Making it decriminalised would solve that disparity of treatment.
Not sure why your comment is down-voted, because this is true in the US, too.
Edit: UK, I can't speak for the US