In my 15+ years of web development, there are very few things I can say are unequivocally a good idea. It almost always does depend. Storing timestamps instead of booleans, however, is one of those things I can go out on a limb and say it doesn’t really depend all that much. You might as well timestamp it. There are pl...
A CRDT Boolean is also pretty easy to write. Essentially it is just a last-write-wins element set with a single possible value and instead of representing if it is added or removed it represents true or false. To get the current state you take the latest timestamp. To merge two values you update the true and false timestamps to the latest of each.