Mistwell
Crusty Old Meatwad
Which Wizards can't access their entire spell list.... so that is a big part of the issue.
If Wizards had access to their entire spell list, just as Clerics, Druids, and Paladins do, then there would be no ground for arguing against Spell Versatility, but they don't and in terms of flavor it doesn't make sense to give them full access.
And again, Sorcerers thing is Metamagic--which a lot of people seem to conveniently be ignoring.
It's funny. Usually in these discussions people argue that you cannot assume any magic items because each campaign varies so much in the number of items they give out, and some PCs may have none while others may have many, so just don't assume them in these conversations.
And yet here we are with the wizard. ZERO people have listed their actual spells known without obtaining magic items (scrolls and spell books from foes). All the conversation revolves around an assumption they have more than their actual spells known as listed in the Player's Handbook.
Here are the Wizard Spells Known from the PHB. This is in comparison to the Sorcerer Spell's Known, which is all of the 133 spells on their list:
