Before it is a feed, LinkedIn is a directory. It is where a buyer checks whether the company they just met is real, and what they find there is often the whole decision.

The most valuable thing LinkedIn does for a B2B business has nothing to do with posting. Someone meets your sales engineer at a show, or receives a quotation from a name they do not recognise, and they look that person up. What they find in the next thirty seconds decides whether the reply gets written.
This is the same behaviour that governs your website: the enquiry begins with verification. The difference is that on LinkedIn the thing being verified is a person rather than a company, and people are checked far more often than companies are.
Which means the highest-return work is not a content calendar. It is making sure that the eight people in your business who talk to customers have profiles that survive that thirty-second check.
A profile that helps is specific about what the person does and who for. "Sales Manager" tells a buyer nothing. "Application engineering for sealing and gasket specification in rail and heavy vehicle" tells them whether this is the right person to send a drawing to.
The banner, the headline and the first two lines of the about section are what render before anyone clicks. Treat those three as the entire profile and write them for a buyer mid-shortlist, not for a recruiter.
Then make sure the company page exists, is complete, and matches the name on the quotation. A page that is empty or under a legacy trading name creates exactly the contradiction that stalls a qualification.
Individual accounts consistently reach further than company pages, and the gap is not small. More importantly, a specialist explaining a material choice in their own words is credible in a way the same sentence under a logo is not.
That does not mean everyone must post. It means the two or three people who are genuinely interested should be supported to do it well, and the rest simply need profiles that hold up. Forcing reluctant colleagues to post produces content that reads as forced, which is worse than silence.
The buying committee for a considered purchase is not reading you weekly. They encounter you occasionally, over a long period, usually while doing something else. The cadence that suits that is regular and unhurried: one substantial post a week from a person, plus the company page carrying the work.
Comment more than you post. A thoughtful reply on someone else's post reaches their audience, which is the audience you want, and costs a fraction of the effort. Most B2B accounts have this backwards.
Avoid the mechanics that promise to shortcut it: automated connection requests, engagement pods, bought followers. They are visible to exactly the sort of careful buyer you are trying to reach, and they damage the verification job the platform is really doing for you.
Key takeaways
Yes, but mainly as verification. It is where someone confirms the business is real, sees the work, and checks the name matches the quotation. It does not need to carry the posting load.
It can be, because the targeting reaches job titles you cannot reach elsewhere, but it is expensive and it converts poorly against a cold audience. It works best retargeting people who have already read something of yours.
Do not ask them to write. Ask them a question, record the answer, and have someone else turn it into a post for their approval. The bottleneck is writing time, not willingness.