'I'm not saying they have to weak encryption or putting backdoors, but a reasonable way to help any government with investigations which hurt society in general.'

What is it with the "I'm not saying they should have a backdoor, but there should really be [some rhetorically obfuscated equivalent to a backdoor]"?

This is cryptography, not politics. There's no middle ground here. You either have secure communications or you don't. If the data can be provided to the government, that also means it can be leaked, stolen, purchased, spied upon, etc.