My last house was 150 years old and still had almost all of the original tiles…
Same with our house - 200+ years old.
Thatched roofs do look beautiful, but to me, they're the equivalent of buying one of those glorious veteran cars from the 1930s, when you could have just got a boring low-mileage used VW or Toyota and not had any of the additional hassle or worries.
Considering how risky they are with even just a spark of fire, the insurance costs must be astronomical. Plus, as PP said, if animals can easily wreck them, how easy would a tooled-up human burglar find it?