That’s an eloquent short letter, but in this period of time (after all, print is dead ) you could also point them to many fine videos about Dorico that Steinberg and others make on youtube. For example:
And:
It may also be worth printing some choral works in Dorico to show as samples to see the superb quality attainable. Or see for example @dan_kreider - his superb hymnal:
[I don’t work for Steinberg, just a full time engraver who uses Dorico.]
) you could also point them to many fine videos about Dorico that Steinberg and others make on youtube. For example: