Is there something you don’t like in SharePoint / Office 365, or something you want? The only way to get that addressed is by adding your voice to uservoice.com :
Sign in or sign up to add your say. Search for similar ideas and add your vote if you think it’s something that needs to be sorted out. So for example, the hot mess that is the “modern look” – add your voice to leave classic SharePoint alone if you feel the same way. You can vote for things already logged and add comments to them, or just make your own ones.