As stated earlier, from CAP413:-
Pilots who do not wish to carry out a practice emergency but only wish to confirm their position may request a ‘Training Fix’ on 121.5 MHz. This ‘Training Fix’ is secondary in importance to actual emergency calls but takes precedence over practice emergency calls in the event of simultaneous incidents.
Also from the CAA D+D poster:-
Practise as much as you want - it is free and one day may save your or another person’s life!
Perhaps you can question the advice and maybe seek to get it changed, but berating pilots for following this official advice is perhaps unfair.