This law as described would exclude most of the digital nomads I've met, because it requires "Proof of a stable monthly salary, fixed income or a average monthly income, during the last year." Most digital nomads I've met do contract work rather than working for a fixed salary. Most of the people I know who work for a fixed salary, even on programming and sysadmin jobs where they can WfH frequently, aren't free to just move to wherever they want to move to; they have to be able to go to the office at least a few times a month. Or did before the pandemic, anyway; maybe that will change.