You still haven't grasped the relationship between a drive gear and a driven gear.

At TDC the crank is at 0 degrees. Where the timing mark is on the cam is irrelevant. You can put the cam at any position you want but the crank would still be at TDC. The #1 crank journal would be at its highest point.

Whether it is on its compression stroke or exhaust is dependent on where the cam gear is positioned. Moving the cam gear changes VALVE opening and closing.

The crank doesn't care. All it does is move the pistons up and down.

You are just arguing for the sake of an argument.

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