The direction of growth will damage the teeth in front of your wisdom teeth. Hence removal of your wisdom teeth is better.

Yes it should be removed. We have good oral surgeon.

Yes it's very much needed to remove the wisdom teeth as there impinging on the adjacent teeth

all your wisdom tooth are fine. its just the left lower one which will cause you trouble in future. if its not causing you any trouble you can delay the extraction for sometime, but when it starts making you uncomfortable u will surely have to get it removed. for preventive measure u can get that one wisdom tooth extracted so that it wont cause u trouble in future as it will affect your adjacent sound tooth too.

Yes you should get it removed as it may also spoil the tooth in front of it. Please consult an oral surgeon to do the needful