Do you have a link about this? Because he's shown hostility towards marijuana legalization, promised to veto it if it was sent to him, and in the past supported draconian drug laws.
Show me a policy document along with a bill from that office and I'll consider it more than an election year symbolic gesture.
0: https://www.brookings.edu/blog/fixgov/2015/02/13/how-to-resc...
(White House and executive offices don't produce "bills", other than signing the ones proposed and passed through Congress)
Obviously we can only wait to see what comes next, but I'm not sure what more you'd want? The review process has to occur, so there's no additional "policy" to be had at the moment. Obviously there's a possibility that rescheduling doesn't happen as a result of that review, but that hardly seems likely given the current political and social climate around marijuana.
Seemed like a pretty straight-forward way to communicate "and this is step 2, which is a work in progress".
It's reasonable to be cautious about a politician making a promise in anything but the most legally-binding possible way. It's not reasonable to straight-out call that politician a bald-faced liar if he hasn't demonstrated a propensity for such lies (unlike some I could easily name).
6000+ people were.
Edit: of course that’s temporary.
Now the president can pardon people for this before every election!