Let me state up front voter intimidation should not be tolerated anywhere. It shouldn't be tolerated during votes whether or not to unionize and it shouldn't be tolerated in our state or federal elections.
But, the Yahoo article that is linked as evidence there is a widespread, comprehensive effort to determine how people in a particular area of Pennsylvania voted doesn't do so.
The article quotes York County President Commissioner Julie Weaver stating she received "SOME [emphasis mine] emails" about it and that she had spoken to the "INDIVIDUALS [emphasis mine]".
That would hardly seem to be some pernicious effort to intimidate Biden voters.
A former Democrat candidate for the state's House of Representatives even states in the article that alleged members of the committee met with his 89-year-old mother-in-law but "… did not ask who she voted for".