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Was gonna ask why people don't just carry a tube to chuck in in a worst case but I guess this answers it. Is it that the bead is so set into the rim it's hard to get off?
dbr-
Nah, you should be able to chuck a tube in without any bother. It’s just more faff as first you have to get the valve off, which is likely done up very tight to keep it airtight, then you’ve got lots of messy sealant to contend with as you get a tube in.
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Some tyre/rim combos are much worse than others. The old GP5000 were notoriously impossible.
andyp
RecoveryRide
I'm a big road tubeless fan. I'm just under 70kg and usually run high 50s psi in 28s or low 50s for 30c.
In a couple of years solid use, I've only had 1 puncture which neither the sealant nor a dynaplug fixed at least well enough to get me home*. I've also got home a few times and found tell-tale spots of sealant where the tech has done its job and I've not noticed while riding. I've also enjoyed what seems to me a better ride quality. Overall for me they're just better. A touch more hassle on the initial setup, and a slightly greater chance of a flat you just can't fix, but the positives outweigh those things IMO.
The keys IMO are to run lower pressures (I find the AXS tyre calculator pretty good, and you don't need to go any higher), decent sealant (which you need to keep topped up) and carry a dynaplug.
*getting the tyre off and a tube in was an absolute bastard but it did happen (eventually)