Matt dont bite. Eventually they will die out due to the level of cover available and the inherent unreliability issues that plague these lumps of multi coloured plastic.
As for the consumtion of expensive two stroke oil and multi trips to the nearest etec doctor all has to be taken into consideration.
Years ago two strokes carb or DI was the only way to get relative reliable and lightweight power.
Exponentially sales of outboards have swung the fourstroke route and for good reason,
PD , stop reading biased monthly as youve lost this one old bean.
If you need more speed out of your RC, lose the second battery!
https://youtu.be/NWcqLjVxK_k