AWS' Graviton line was released in 2018 to much fanfare, and there was a lot of content about all the cost savings per performance it brings immediately. Ampere

AWS' Graviton line was released in 2018 to much fanfare, and there was a lot of content about all the cost savings per performance it brings immediately. Ampere were founded in 2017, and in early 2020 announced partnerships with Oracle for ARM based servers M1 came out in November 2020. A lot of Linux tools and systems and applications became available thanks to Raspberry Pis becoming very popular with hobbyists, and then Graviton pushing more "enterprise" stuff. For more user facing GUI-powered applications, it lagged, and still lags, but there Apple and Microsoft's ARM efforts were the main driving force.