Riot DOES NOT CARE what we think
This recent change to sightstone is quite obviously meant to achieve one thing. To reduce the number of options people have against early gankers, since it'll take quite a while to get practical wards now.
Just about everyone who's played the game since the runes released knows that snowballing is a major problem, and of course they've vocalized it quite a bit. Looking at the patch notes, you'll notice there's very few changes that address this specific problem.
Therefore, we can deduce from this recent change that Riot does not care what we want. What conclusion we draw from that is uncertain though:
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Are they doing it for money?
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Are they doing it because they don't know how to balance their own game?
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Are they doing it because they think they know better than everyone else?
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Are they doing it because want to cater to the lowest common denominator?
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Is it a combination of these items?
Really, it could be any of these, but without a direct answer from Riot (which they'll never give, outside of "we're listening to your feedback," even though we know they aren't listening), we can only really speculate.
I've never made a post before saying that his game is terrible, because if it was I wouldn't be playing as much as I did. However, I can confidently do that now.
League of Legends is in the worst state it's been in since beta (which is when I started playing).

with guardian so i don't lose much hp in the first place to heal back