You error in limiting worship to “A priest offering a sacrifice on an altar...”
And if that is how Catholics worship - by offering a sacrifice on an altar - then perhaps Catholics ought to consider:
“He has no need, like those high priests, to offer sacrifices daily, first for his own sins and then for those of the people, since he did this once for all when he offered up himself.” and “For Christ has entered, not into holy places made with hands, which are copies of the true things, but into heaven itself, now to appear in the presence of God on our behalf. Nor was it to offer himself repeatedly, as the high priest enters the holy places every year with blood not his own, for then he would have had to suffer repeatedly since the foundation of the world. But as it is, he has appeared once for all at the end of the ages to put away sin by the sacrifice of himself.”
Again - please notice the verb tenses, and the duration - once for all.
The sacrifice for my sins WAS offered - once for all. No priest can redo it, or re-enact it. It isn’t an ongoing sacrifice, ever present before God. Past tense.
“But when Christ had offered for all time a single sacrifice for sins, he sat down at the right hand of God, waiting from that time until his enemies should be made a footstool for his feet. For by a single offering he has perfected for all time those who are being sanctified.”
Perhaps less time honoring Mary, and more reading the Word?
You ought to consider that that is the Epistle to the Hebrews, not the Epistle to the Catholics. It's critiquing Jewish sacrifice under the Mosaic law.
I also should point out that we are offering precisely that same "once for all" sacrifice of which you speak. Not a new sacrifice, not a different sacrifice.
The same, eternal sacrifice.
That is why Hebrews can say -- in a verse that Protestant commentaries, to their discredit, have to explain away -- "we have an altar from which those who serve the [Jewish] tabernacle have no right to eat".
An altar is precisely a table for sacrifice. If you don't have an altar from which you eat a sacrifice, you don't follow the religion of the author of Hebrews.