The Spithead Mutiny, as we discuss here, did not erupt from a single deed, rather it was the culmination of a long pattern of the Admiralty ignoring some very basic demands for more equitable terms of service on the part of British sailors and equally ignoring and thereby tolerating the existence of petty tyrants within the ranks of officers and warrant officers.
In the past, when wars were shorter and fleets routinely stood down over the winter, these issues did not reach critical mass. During the era which began with the French Revolutionary Wars changed all that. The British navy was kept constantly at sea, except for the brief period of the Peace of Amiens, for 22 years. Most of the British fleet was involved in endlessly churning wakes in the sea outside the great Continental ports of Brest, Toulon, Marseilles, Rochefort, and Texel. A life of hardship, danger, and deprivation without the respite of shore leave, prize money, or even combat.
The impact this had on pressed men and volunteers alike is hard for us to comprehend in an age where there we argue over whether or not a combat tour of 15 months is a breach of faith.