*I AM NOT A TEACHER OR NATIVE.*
"Others" addresses a non-specific group of people.
"The others" addresses a specific group of people.
Hence, in my opinion, the context and the speaker/writer's intention in such cases is important.
Since in #1 the group of people is not specific, it cannot necessarily mean all who do not like it hate it. Probably, there are some others who have no idea about it. To convey such a meaning in such cases, I'd say: Some people like it and some others hate it.
But #2 clearly states that the remaining ones (all those who do not like it) hate it. In this case, "the others" refers to a specific group of people.