Taxes are an involuntary transfer of wealth made under threat of coercive violence. Theft is an an involuntary transfer of wealth made under threat of coercive violence.

Saying that does not mean much until one defines the proper scope of legitimate violence in society. Max Weber made the analytically useful point that one definitional aspect of modern government is its monopoly on legitimate violence.

Americans sometimes have this silly idea I like to call the "Holy Divine Right Of Tiny XML Tags Assigning Exclusive Ownership" or the "Principle of You-Can't-Have-It-'Caus-It's-MINE".

For those who do, the idea that a government would forcibly, without giving you a choice retract from your possession a number of Game Points, which everyone agrees to hold as representative of value under the assumption that this very same government will enforce continuous acceptance of the value of these Game Points, is very evil and a violation of the above principles that are in their mind inviolable and necessary and ontological and what-have-you.

Nevermind all the complicating factors, such as the fact that you can choose not to give them points simply by not acquiring more than a set amount of points per year (hell, in many cases if you do this they will give you points).