The phrase "general mistrust" refers to a widespread lack of trust or suspicion towards something or someone. It means that people generally do not believe or have confidence in that thing or person. Full definition
However, this opposition has to be understood in the context of the more general mistrust of science prevailing at the time, given the international climate of socialism, which it saw as a consequence of evolutionism. (faith.org.uk)
If the child feels he or she can not rely on his or her parents, there is a risk of developing general mistrust in people. (positive-parenting-ally.com)
Joseph Rowntree Foundation research also showed general mistrust of politicians as voters are increasingly driven by emotion (theguardian.com)