If you are sola scripture or something approaching it, there is much less to study outside of scripture and the study of scripture becomes more important—so one would expect protestant seminaries to place more emphasis on the languages.
I find nothing particularly odd about a Catholic promoting a good language scholar who happens to be protestant-—St. Jerome consulted rabbis. I use Mounce’s works in my own Greek course. If Augustine can take freely from Tyconius in the concrete, and in the abstract urge Catholic scholars to be like the Israelites leaving Egypt—to take every truth that isn’t nailed down—what is wrong with swiping something good off of a protestant.
For that matter, I have a pile of Jesuit song writers that I’ll gladly swap for a couple of good Methodists.
You can have ours; since the young folks don't wanna sing them any more; choosing 'praise songs' instead.