If you want to get it amended, then by all means, make a case for why it should be amended.
In the meantime you wanted to know why mass surveillance isn’t an option. The answer “because it’s against the law” is a simple, good answer.
If you want to know why we decided as a nation to make that such a fundamental law that it is in our constitution, you could do worse than reading about what prompted the writing of the Bill of Rights.
The answer “because it’s against the law” is a simple, good answer.
While often true, at all times there have also been morally wrong laws, so it would not be unreasonable to counter that being written into law on itself means nothing. So you should always be prepared to pull out and defend the reasoning behind a law, which you also hinted at in your following sentences.