This sounds like the same complaints math teachers had when pocket sized books or calculators or web search or many other technologies started becoming ubiquitous. And the same answer is true, these are tools they will have in the real world. It’s just as useful to learn to use tools as it is to learn to do the thing without tools. Test them without the tools available for those things they need to know from memory and with the tools for everything else. Make the tests, essays, etc. so the tools aren’t able to do the entire set of work in the test.

Wasn’t as big of a problem when text books helped with this like making lots of math problems that calculators couldn’t solve in a dongle step. The real issue is that textbook manufacturing consolidation has made text books fairly useless, so teachers are left to craft their own lessons if they want them to be worthwhile. And they don’t have time to create their own lessons from scratch because of some aspects of our education systems that are too much to go into here.