I made a program that allows me to compare the data entered in osm and the data present in the GTFS files. Seeing changes, whether it's because there's a schedule change or a modification made by a mapper, only takes a few seconds.

If you wish, you can see a version (still in development) on my website ( https://ouaie.be//OsmGtfsCompare/src/?network=TECL&vehicle=bus ).

Currently it only works with TECL as network. 

This morning a mapper deleted platforms on the 388 bus route. If you scroll down to this one in the report you will see that many errors appear.

Yes I agree, there are still many points to improve in this program.