Sure. The 3DS doesnt have a successor since the Switch is the successor to the WiiU. Unless you call it a successor to both which doesnt seem fair to the PS4 or XB1. Also the PS2 was like 100 bucks after the PS3 launced. No Sony console has been that cheap ever since. So this is a thread created to stir up shit with Sony fans and you need to not take it so seriously.
Obviously the Switch is a successor to both WiiU and 3DS, it is a hybrid, what did you expect?
Or the Switch lite is the 3DS successor. The normal Switch with included docking station was a bit out of the price range of "normal" handheld buyers.