The OM System initially was not built for heavy professional use. Ham-handed American photo-journalists jumped on the OM System when it first appeared and were soon back to using their Nikons after the OM bodies suffered failures in their film transports. Olympus recognized this defect and beefed up the film transports during the early years of production, but by that time the damage had already been done and very few American photo-journalists ever returned to the Maitani-san fold. Japanese photo-journalists were much gentler when they used the film advance lever and the instances of OM failures in Japan were infrequent.
The OM-10 and other OM bodies can live much much longer when mated with the OM Winder, instead of using the normal film winding lever. That's the secret of keeping those classic OM bodies and their fine lenses going and going and going....