The best evidence from the text that supports the inference that advice to people who want to help bees will continue to change over time is:
"It is likely that disease spread is going both ways, so even if diseases in commercial bees are eliminated wild bees could potentially reinfect them."
This statement implies an evolving understanding of the interactions between commercial and wild bee populations and how they affect each other, which suggests that recommendations for helping bees will need to adapt as new information about disease transmission becomes available.