Nice video. Owner of it too. Mine TC-P. All stock no any mods. But I don't face any of the issues mentioned above. Really unlucky for the owner in the video. As for steering feel, suggest to get a wider tires to have heavier feel. Acceleration felt slower but handling improved a lot. I installed 4pcs of 225/50/R17 MC6. High speed crusing especially 180km/h to 200km/h felt much stable than original 215/50/17 Mine works so far so good. Was having steering problem no feel smooth. But solved after changing tyres.
Yes, bottom of the car, have few plate to cover protect water spray from bottom to the engine area. if you reverse, have high bump can touch and make the protective plate bend or borken..... Civic have alluminum one is better, city is plastic, after few years, it will become lower down and easily touch the bump.