I think it's just because supply-chain attacks are not common enough / their attack surfaces not large enough to be worth the dev time... yet...
Sneak in a malicious browser extension that breaks the permissions sandbox, and you have hundreds of thousands to millions of users as an attack surface.
Make a malicious VSCode/IDE extension and maybe you hit some hundreds or thousands of devs, a couple of smaller companies, and probably can get on some infosec blogs...
Sneak in a malicious browser extension that breaks the permissions sandbox, and you have hundreds of thousands to millions of users as an attack surface.
Make a malicious VSCode/IDE extension and maybe you hit some hundreds or thousands of devs, a couple of smaller companies, and probably can get on some infosec blogs...