They measured it by the number of Jira tasks moved to "done". The problem is, nobody is asking if those Jira tasks could have been avoided, or be a lot smaller

They measured it by the number of Jira tasks moved to "done". The problem is, nobody is asking if those Jira tasks could have been avoided, or be a lot smaller if we were working on a more productive stack. At the end of the day product managers get used to everything taking a lot of time and assume that's the only way (which, to be honest, in this context it is... as reached this point it is very difficult to go back). And also, when productivity was discussed... there was always someone suggesting the problem was the current "legacy" stack (i.e. React, Elixir) and that we should instead move to this other new stack to be more productive (Go, Svelte) and there we go again...