That's enough speculation about other users motivation and intent.... enough.
Expressing your opinions doesn't require pulling other people's to bits. It's not just unproductive it's pointless, as is most of the guesswork going on here. It will all become clearer soon enough.
I don't want these forums to be somewhere people cannot post for fear of being ridiculed and I'm referring to lurkers here who are put off saying anything when this sort of thing is posted.
Stay polite and considerate or the thread will be locked.
For Affinity Photo, one can simply either use (of course depending on the case)
Studio Tab/ Adjustment/ Black & White
Develop Persona
Tone Mapping Persona