Why does the debugger's breakpoint condition allow an assignment-statement as bool-condition?

Question

This is very dangerous so I wonder why it\'s allowed. Since I often need to switch between VB.NET and C# I sometimes add breakpoint-conditions like following:

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Answer 1

In Visual Studio 2019, variable assignment expressions in Breakpoint conditions no longer work.

The expression will be evaluated for value, but side effects such as variable assignment are discarded.

https://developercommunity.visualstudio.com/content/problem/715716/variables-cannot-be-assigned-in-breakpoint-conditi.html