Not OP, but yes that would be correct. I think they meant lower altitude, higher pressure. 787s are at around ~6000ft pressure altitude, and most others are at

Not OP, but yes that would be correct. I think they meant lower altitude, higher pressure. 787s are at around ~6000ft pressure altitude, and most others are at 8000ft. [1] [1] https://en.wikipedia.org/wiki/Cabin_pressurization https://en.wikipedia.org/wiki/Cabin_pressurization