There shouldn't necessarily be a problem with the FLAVOR between different setups, what you may be seeing might (I don't know the juice) be related to nicotine level and/or PG/VG ratio? I mean, certainly juices can TASTE different at different power levels, and it often does. However, if you are using say a rather high nicotine juice and nicotine salts, some vendors will state that would be unsafe to use in a very sub0hm device, versus say a pod mod. So if you have a high salt juice or something and it says to avoid in say, sub0hm setups that kind of makes sense as nicotine level will need to vary depending on your power levels, i.e.. you can vape 60 mg/ml if your delivery system is really weak, but if you start vaping at 80 watts on a 0.2 coil, you'd hit nic overload rather quickly.
So if it's one of those "specialty" juices, yeah, I guess I'd say you can't use it in certain devices.
If it's very high PG or thin liquid, it may also not perform well in sub0hm delivery systems so there is kind of a wide variation there, you may not get the best performance out of a high PG thin juice in tanks that are designed for higher VG juices.
It is true that some juices contain ingredients that will melt various plastic tanks, but I'd be more inclined to think it is one or the other.
What does the warning actually say??
Anna