As I understand it, these attempts to use digital nomad money to revive impoverished areas tend to become controversial when the impoverished locals realise what it means to compete with (from their perspective) extremely wealthy blow-ins. Maybe in particular circumstances it can work, like if the locals actually get most or all of the money spent by the newcomers (rather than going into the pockets of absentee landlords or large corporations).

The article opens by noting fears about Spain's "vibrant culture" dying out. Needless to say, this won't help with that problem and may well accelerate it, unless Spanish culture is coding workshops and padel (per the article).