In Whatever “Way”

I call it the generation gap between me and youngsters.

I loathe the way some terms are used these days.

It gives the reader the impression that the sentences are said out of convenience.
It is insincere, too casual, and to me, improper use of connectors.
I can understand that if the sentences are said in a casual context, for instance, between friends but other than casual friends, is it improper?

Some overheard dialogues are:
"Tomorrow, I have piano lessons followed by Math tution, anyway, Happy Teachers’ Day."

Adults, not youngsters say the same thing.

"I will be in a meeting later… ...should end by 6pm, by the way, today is our 100th days of courtship, happy 100th day anniversary."

"My new boss is very pretty, by the way, happy birthday to you."

==============================================

You would not catch me using by the way or anyway, in whatever way.

*smile*