Also easy to see leaders are judged with a greater strictness, cuz it says so.
Below is the very verses you named to prove just the opposite.
How so? Do you take communion at home? Under what conditions do you receive communion? Do you a layman (assumption) consecrate the elements yourself? If non-consecrated, it doesn't really matter nor does it if you are alone.
Himself.
I said a man should examine himself. Have you repented, have you received absolution in a church setting. If you are home administering communion, then it really doesn't matter does it. A faithful (to God)pastor will know his flock. If one is known to be engaged in sin and currently is unrepentant, he has a responsibility to the communicant and the rest of the group to bar the unrepentant who in his folly would eat and drink judgement on himself.
Now if you are a one man army who worships in creation away from any house of God, Heb 10:25 do what you want. The 'sacrament' in that case is worthless.
You can not make any scripture fit any subject you want it to,
Just a waste of time, its yours so take it and run with it.