Dutch to English Other General / Conversation / Greetings / Letters

Which English expression would best convey the meaning of praatbarak here? A talking shop (discussion that doesn't actually achieve anything), talking heads (people just giving their opinions on a topic), something else? Context is a series of round-table discussions, each on a specific theme, organised by a business school (Een tiental bedrijven – niet-concurrenten van elkaar – samenbrengen rond één tafel om kennis te delen en ervaringen uit te wisselen.)

This is one item in a list of 'succesfactoren':

- een gezond evenwicht tussen formele presentaties, best practices en interactieve discussies. De rondetafel is geen les, maar ook ***geen vrijblijvende praatbarak***.