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Semantics no? Plus you can say the alternative stance about anything really.
I think the distinction is in degrees of confidence, as statistically measured by P values and standard deviations of normal distributions etc. There is an commonly agreed level of confidence which data needs reach, before stating the result as a conclusion.
This confidence level differentiator gets easily lost in natural language descriptions, but is well coded in the mathematics.
Semantics no? Plus you can say the alternative stance about anything really.
There is some quite compelling evidence that covid 19 wont kill 10% of the population by the end of next year. There is no evidence that it will.