About the linked first question:
There can be different solutions to the same problem. We accept word-requests, but conditions apply:
Questions on choosing an ideal word or phrase must include information on how it will be used in order to be answered.
I don't think the question is a good example for a word-request, but technically it still can be answered by idiomatic expressions.
See a list of top-voted word-request questions, to learn more.
About the linked second question:
Questions about sentence structure are welcome, but it is not a question about sentence structure. It's a request for proofreading, or to break down the sentences and add proper punctuation. These are not welcome on Stack Exchange.
Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on opinions, rather than facts, references, or specific expertise.
And under that question, choster rightly commented:
This is not a writers workshop, and we cannot offer writing advice; among other things, there is no independently verifiable method of saying one technique is superior to another in a given circumstance, which goes against the Stack Exchange model.
See a list of top-voted questions about sentence structure, to learn more.