Actually no, the techniques are tied to the gates:
The Extreme Locus cannot be used without opening the said Gates -
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- The limit is removed to allow to Heal - the healing is also automatic - and then to further open the higher Tier Gates to use the Extreme Loctus.
He cannot even do the Initial Loctus without opening the first gate:
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- All these Gates are Limit Removers.
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- Which is why the Eight Eight spells death, as the Self-Destruction of the Body is paralleled with the Extreme Limit removed, which the body can no longer support. What you are suggesting is nothing but speculation, when the manga - as these scans prove - state something completely different.
Once the restrains on Gates are removed, how is the controlling the release of power? That is a huge hole in your explanation. The Gates themselves control the amount of power release, now that the restraints are gone, how is he controlling the power or anything at all, let alone the intensity of the punch which is beyond his control? Come on, even you know that given the manga scans, this doesn't make sense. It's like a car without the brakes. You can use the steering but not the brakes or the increase in speed if it is going down hill.
The manga has explained it fully and clearly.