I’d guess there were people that valued this in most times and cultures.
You may have a preference for purple prose, but it's silly to pretend that the quoted text is clear.
I'm suspicious when people write like that because it can be used to hide bad reasoning behind unnecessarily complex word choice and sentence structure. If you care about sharing ideas it's better to write simply.
> If you care about sharing ideas it's better to write simply.
That's good advice if you're writing blog posts in 2019 with the goal of driving traffic to your site. And why should any writer aspire to a higher goal than that?
For you, and the culture you’re in, what you say is true. It is far from universal.
If your goal is to communicate your company or product; sure, keep it simple. But that's not everyone's goals, irrespective of culture or time period.