“Some or all” in that article is really “at least 1 day a week”. I would offer that in 2024, people would not consider 1 day a week at home (or even 2-3 days a week) a “remote work” position. We call that hybrid work nowadays.
So while this article says remote work was increasing, and I am sure it was incrementally in certain tech, marketing, and sales positions, I don’t think its a good example of remote work (as it is defined today) becoming a norm then.
Pre-covid, I worked around 1 day a week remote, but was in the office the other 4 or traveling for work. I believe I knew maybe 2 people in my social and business circles back then that I would define as having a “remote work” job (by our present definition).