This is true.
It was not uncommon at that time since Milton was something like a superstar at that time considering his controversial political views and great epic poems.
The principle of rhetoric is mainly to persuade and impress and the style can be grandiloquent, grandiose, flowery or extravagant for example. It can be helpful to say introduce a speaker who has a very good education, who is very knowledgeable, very experienced, has excellent judgement and yet is modest for example and the above words could be used to praise him or her to give the audience a good impression of the person.
When I was given the choice between a surgery that could help me tremendously but would be a big adjustment. Personally, sorry if that isn't the answer you're looking for though.
Because of their race and background