well no computer is safe really... a Beast computer can run one thing fantastically and struggle to run another thing all the same, compatiblity of parts and optimizations of games matter in that aspect.
Particularly Foliage settings in most games can be very taxing, even more so when in general, the settings aren';t super fine-tuned and optimized - and even more more so when computer parts just don't like dealing with that specific element, Parts can also fail or begin to degrade, and one thing might trigger it, while another, almost identical thing or more, might not.
For example a few years back now, I had a PSU issue, my PSU was pretty much dying, but it ran so biger, more intense games just fine still, for hours on end, etc. so it didn't seem like it was actually a PSU problem,
and it would crash on very light intensity game(s), sometimes immediately. sometimes after an hour or two.
Replacing my PSU completely removed that issue, at the time, hours on end, left it running overnight just to ensure it, etc.