the whole point of t2 is to get talent and players that are good enough for t1 and this approach from riot is very unlikely to change but the system that they place to achieve this goal is horrible.
riot is very unlikely to change their philosophy of esports and so they don't care if there are orgs who pay salaries in t2 or not.
right now I see a future in which there will be no orgs in t2 apart from maybe 10 or less. Because of this it will be very hard to become a pro player as if you want to try and become a full time pro or even semi pro you will need to be like in the top 3 teams in t2 for each region, this will then cause the skill of valorant players at the top level to diminish and we won't see many new faces in the franchised league as the t1 pros get better as they can contribute more time into getting better and the tier 2 pros can't dedicate much time as they aren't even getting paid enough to make this a career and so they won't be able to play much valorant and won't be able to improve as a player (this is sorta what the whole oce region is).
In the topic of t2 promotion I think riot will save more money in the long run with this current system (if u don't include other externalities) but if you do include long term effects of this system then the same players will likely be recycled each year which will cause the scene to get a bit dry and boring in general.
Riots system right now is like the current t2 landscape is what t3 was 2 years ago and the current tier 1 system is similar to what t2 was 2 years ago.
In tier 1, orgs will pick up players who are not being paid anything and are questionable just like what tier 2 is right now with the new orgs. Tier 2 will become the same as what premier is right now with random no names making challengers in hopes of being picked up by a tier 2 team.
sorry about this ramble that I've written in the last 4 minutes so ignore any typos or grammar mistakes