$100 even in roubles now is very low amount for high level functionaries. This law could be used to get rid of undesirable people because you can selectively apply to practically anyone.
As a bonus maybe the uninformed Russians will now think Putin is cleaning up government, the corrupt middle layer that's ruining his mission to make Russia great again...
Even before covid, 50-80% of Americans were living paycheck to paycheck.
Median income and median rent don't leave a lot of wiggle room to hit that 20% target. With decently priced health insurance (unlikely), moderately priced beans and rice, and a low TCO used vehicle (since that's usually cheaper than rent close enough to your job and/or public transit) you'll be able to save 25% or so I'll. With any dependents, with average-cost health insurance, or with a host of other common scenarios those savings never actually materialize.