If you spend 2 hours training daily, your training result will depend on how you will allocate your training time. The proper fighting skill development involves with:Who are these people arguing that too much timing on katas makes you a worse fighter?
1. partner drill to develop.
2. sparring/wrestling to test.
3. weight equipment training to enhance.
4. solo drill (or form) to polish.
IMO, 3, 4 may be equal important, but 1, 2 are more important than 3, 4. If you spend too much time in 4, you will spend less time in 1, 2, 3. You have to be able to "develop" your fighting skill first before you can "polish" it.