It’s not about knowing, it’s about risk.
I live in an earthquake zone. I know before I buy a home, I should consult an earthquake map to see my risk of liquifaction or amplification and make a judgement based on that.
When buying a property, it is in the buyers interest to look at KNOWN hazards, assess the risk and make informed decisions. Archeological remains is a known risk of that area, just like flooding might be because of the lake front.
To add:
Niagara Region's own mapping tool shows that almost the entire region has "archaeological potential" — denoting the likelihood of Indigenous ancestral remains and artifacts being
Hill-Montour questions why Wainfleet Township issued the Reios a building permit given the region's history.
"Why would you put this person in this position to be where they are right now?"