“TLS version 1.2 became the recommended version for IETF protocols in 2008 (subsequently being obsoleted by TLS version 1.3 in 2018), providing sufficient time to transition away from older versions.”
TLS 1.2 has been the recommendation since 2008. It took the IETF until 2021 to formally retire the versions before it. Every enterprise appliance still speaking TLS 1.0 now has a document saying it is broken. They had thirteen years of warning.