Typically Officers give commands to the Senior NCO's who then "lead the troops". . . .
You are a unique resource to these forums and provide valuable information to those with recruiting questions, sometimes correcting the errors of seasoned current and former serving members whose experience did not include recruiting. A well done on that. However, you can be just as daft as the type awaiting enrolment who provides military advice and judgements based on their one or two visits to a recruiting centre. This is one of those times.
Now, I no longer lead or command anyone, but I have been a section commander, platoon commander, company commander and commanding officer in regular field force and reserve units. I've also had other leadership, staff, administrative and training roles (as both officer and NCO) in other types of units. So I'm reasonably confident that I am within my lanes when I disagree with your comment (or at least the impression your wording leaves).
Restricting it to the situation in field force units (the general interest of the original questioner), OFFICERS LEAD TROOPS (yes, the shouting is deliberate), if they didn't, they're useless and have no reason to exist. As to the chain of command, the basic line of passage of orders is from CO to OCs to Pl Comds to Sect Comds; RSMs, CSMs, and Pl WOs are very important elements in the smooth functioning of a unit but they are advisors (and 2ic at the lowest level) to the commanders they support not another level of command. As a Pl Comd, I would give my orders direct to the Sgts/MCpls who commanded my sections, as an OC orders went direct to PL Comds (whether an officer or NCO - one of the oddities back in the day of peacetime manning in medical field units, especially in Germany, was that platoons were often commanded by Sgts). Yes there are times when the "Senior Enlisted Advisor" (to borrow an American term) is instructed to make things happen and often they are responsible for aspects of the day to day running of a pl/coy/unit but that does not abrogate responsibility of officers to lead nor does it convey command responsibility to the said NCOs/WOs such as is suggested by your comment.