Regardless of the climate of a place, removing the cooling system thermostat has negative effects on the engine and also increases the running and maintenance cost on the long run.
It is interesting to know how the kick-starter (starter) relay of a car works by tearing it down to see the internal components and also see how they fail.
A cell or more than one cell in a Hybrid car's high voltage pack can get blown due to high electrical resistance and also due to the effect of high temperature.
Detailed step by step solution to fix cooling system that is contaminated with either engine oil or transmission oil. Fixing the root cause of oil/coolant mix is not enough. The cooling system should be cleaned.
Thermostat removal from a car is a bad practice but there are emergency situations that necessitates the removal for the sake of avoiding catastrophic engine damage.