Omitting Prayers of the Faithful

In Paul Turner's Blog by Paul Turner

Q: Recently some celebrants at daily Mass omit the General Intercessions/Prayers of the Faithful completely and simply state the Mass intention. Are these prayers optional? Optional on weekday Masses?  If so, where is this stated?

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A: Here’s a previous post: https://paulturner.org/prayer-of-the-faithful-2/