That’s a feature. It lets your thumb scroll comfortably in a larger blank area so the content is always in view for you. There is no reason for things to be centered, it does not aid readability.

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lunar_rover an hour ago | parent | next [-]

This only works on large enough tablets. On phones the page isn't readable without a 3x zoom.

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himata4113 3 hours ago | parent | prev [-]

Not a feature on a 32inch ultrawide.

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deadbabe 3 hours ago | parent [-]

Use smaller window

	▲	zamadatix an hour ago \| parent [-]
		Use phone horizontally. Much more practically, the best designs are the ones who don't demand of the user they be consumed in a single form across every scenario.