Yeah, reasonableness is the usual requirement in law unless otherwise specified. The ruling we're talking about here uses reasonableness several times:
"Generally, the applicable standard of care requires a company to take reasonable care to ensure their representations are accurate and not misleading."
"I find Air Canada did not take reasonable care to ensure its chatbot was accurate."
"Mr. Moffatt says, and I accept, that they relied upon the chatbot to provide accurate information. I find that was reasonable in the circumstances."
"Generally, the applicable standard of care requires a company to take reasonable care to ensure their representations are accurate and not misleading."
"I find Air Canada did not take reasonable care to ensure its chatbot was accurate."
"Mr. Moffatt says, and I accept, that they relied upon the chatbot to provide accurate information. I find that was reasonable in the circumstances."