How we'd change Street Fighter 5 to make it more fun and buff low tiers

How do we help the low tiers and make Street Fighter 5 more fun to play? Catalyst and I share and argue about a few theories. 

Timestamps
01:28 - NRS sets a good example for character balancing
04:00 - Online play (LAG) needs to be considered when balancing characters
11:00 - How does life look through the eyes of low vs. high tiers?
15:00 - Encouraging lower tier exploration
21:15 - Dangers of cheapening the game experience
29:12 - Certain characters styles that shouldn't be the best (Grapplers, Trolls, others?)
34:59 - Catalyst's change: Fireballs
44:30 - Raptor's change: heavy normal neutral
52:07 - How would we specifically change things here?
1:03:12 - Why this would help the lower tiers