The biggest difference though probably is, that the architect who creates the blue prints - will not be involved in the actual construction work. Therefore the blue-print (which the customer signed off on) has to be ground truth.
But with a good chance of not being paid.
And with direct personal liability that cannot be shielded with a corporate entity;
and professional license requirements;
and building codes enforced by governments…
And of course if you fuck up, people may die.
The article captures another aspect of architecture as well: ordinary people assume living in a house and using buildings gives them informed opinions on architectural matters. But that’s just people.
No clue how that works in the US, but here most of the calculations are being done by an engineer with a different education than an architect.