Sometimes I built teams, and than realized that it doesnt have any hazards. Hazards are very important overall, as every chip counts. But, with buffed defog since gen 6 and HDB (Heavy Duty Boots), some Pokemon can avoid this. Even so, hazards are still widely used in the metagame. While they are helpful, how much are hazards really needed on a team?
Also, I know someone is going to going to say that it depends on the team, as some Pokemon really like the extra chip that lets them break down an opponent better (like kartana), so ill just have a set example and pretend that its only a layer of rocks. I feel like that a pretty good middle, and I'm not asking it in the main question because I want other hazards too. Hopefully this wasnt too confusing :P