>Curious what the R&D / efficiency development ROI is on reducing memory footprint. I suppose we should both consider current ROI and near future ROI (as the price of memory will likely stay high for at least another 1-2 years).

It is a pretty small niche of companies where compute resource efficiency on the server side has a meaningful business bottom line impact.

Everybody has a few tight loops here and there that would be beneficial but that is usually a very small selection of hot paths and it usually isn't about the money to run the code.

On the client side it's about customer delight and this is terrifically hard to measure and so many companies set themselves up such that disappointed customers are locked in so well it doesn't make a huge difference how happy they are unless they're VERY unhappy.

(In other words, you're not Google or Cloudflare)