Having partnered with content syndication companies in the past, the other thing to be aware of is data integrity. CS can get very expensive it is is a blanket approach and the data quality can be poor and/or less timely for sales engagement/follow-up. Specifically those selling B2B, they tend to have more success doing outbound campaigns before they start a CS program due to control on who you can target and refining your target market.
So I say all of that to say, it depends on where you are in your growth cycle and it should be considered an additive program vs a primary program.