IT consultancies are not the majorities of businesses. Additionally, your tax id does not necessarily take a week. And good luck if you do international (but within EU) buisness - the EU VAT id takes even longer.
Additionally, when did we (germans) start to accept and get so stuborn to defend this process? I mean, the process should be: You go to the "Gewerbeamt", fill out the forms, and get the same day a tax id, a EU VAT id, and a one-time token to create your ELSTER accounts and certificates. Thats what digitalization should be. How does anyone think the current, cumbersome process is the ultimate way and that this is considered business friendly, yet tends to defend or glorifies this process?