R&D should have a positive multiplier else why do it at all? Much of what's called "R&D" sort of isn't - it's not that easy to disentangle maintenance from deve

R&D should have a positive multiplier else why do it at all? Much of what's called "R&D" sort of isn't - it's not that easy to disentangle maintenance from development. The H1B visa encourages headcount-think, which is a "policy smell" in tech development. At least some people I've known who've had H1B visas felt it was exploitative.