Support items in the first 9 minutes vs the game duration

I'm kind of sick of all the abstract posts with incomplete arguments that don't really understand what's going on with support items. Most people in favor of the changes are arguing that you can divert purchasing power to other items.

Here's what it really boils down to: Most supports only upgraded once in Season 9, so the real comparison that could be made was from the start of game 400G purchase to the 450G ~ 6 minute upgrade (assuming you're a decent support). And then you have to consider: what was the difference in gold incomes from the time that you upgraded, to the time the upgrades gave you WARDS. (On a good support this usually was around 9 minutes)

Let's analyze this:

Season 9 tier 1: 11g per proc, same gen rate, 2 per 10.

Suppose you can purchase Tier 2 at 6 minutes:

Season 9: 66 gold Gen, and 14 procs for 154 Gold Season 10: 99 gold Gen, and 14 procs for 210 Gold

BUT, Frostfang for a 500G Quest (Quest finished at ~9 minutes)

Season 9: 36 Gold + 176 by quest Season 10: 54 + 120 Gold by Quest

Sums:

Season 9: 432 Gold by 9 minutes. Season 10: 483 Gold.

Net difference: 51G by 9 minutes.

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BUT:

Season 10: Can put the 450g purchase gold + the additional 51G towards buying some other item.

#So, 501G benefit.

IN EXCHANGE FOR:

-Mid/Late game farm gold being cut by 50% to 80% -Loss of ALL POST QUEST PROCS OF GOLD. -Loss of Mana Regen -Loss of CDR -Loss of on hit damage

You really think that 501g early game gold benefit offsets all that mid/late game loss?

(The fact the Season 10 items can Tier 3 themselves is relatively moot; is losing Mana regen to boost off of, and the added stats aren't all that much higher than previous incarnations, and they are meant to augment the loss of the on hit damage)