Delivery Methods have changed.
We have Live Remote Training and OnDemand self-study. Bentley Colleague Peter Huftalen led this effort back in 2013. I spent a lot of time challenging his premises and pushing back on the parts I didn't fully buy into. My belief framework has a lot of multiply-reinforcing structures. Once he persuaded me from my few lingering reservations, I was - and am - an evangelical on smarter training content design: for multiple roles and multiple delivery methods.
In one online meeting I was told "that isn't how we want to teach." I responded "it's not about how you want to teach, it's about how the user wants to learn." That's the transformation in a sentence.
The old way of Designing Training was (and often still is): I'm going to be teaching a captive audience in person a particular workflow over a period of six to ten hours. What materials do I need to take with me so that I can do my thing?
We'd confirm the brilliance of our design by teaching the class at a Big Annual Conference. It the class goes well, then all is good.
Not so. Folks at conferences tend to be the cream of the crop. In-Person training with Instructors (and helpers at conferences) is the most likely to succeed training option. Few weaknesses are exposed in this setting. The hardest way to learn - the target audience to design for - is the OnDemand Self-study learner sitting alone in their cubical. THAT must be who you design your training for. You have to make sure it works for them. If you can write a good course for them, that will also go over well in person. The corollary is NOT true.
Remote Training and OnDemand Self-study also have a much more difficult engagement threshold than in-person training. Generally, in-person the audience is CAPTIVE! In Remote or self-study, if you stray from their interest or aren't clear, the learners STOP. The Unwanted Content Burden (UCB) must be VERY low. This means you can't force them to spend 90 minutes to work through preliminaries so that they can work through the twenty minutes relative to them. This doesn't mean you have to write twenty minute courses, you just need to be able to provide frequent and clear "on ramps" to engage where needed.