New Proton report: Over 74% of Europe's listed companies rely on US tech

They're just using company email addresses to determine what tech stack they use. This is like saying "wow a lot of companies use gmail or outlook." In other words, the sky is blue. This is ignoring that a large number of companies use multiple different tech stacks depending on the internal organization/subsidiary. Meanwhile, proton's products are basically all half-baked and basically don't match the equivalent Google/Microsoft suites at all.