How do I render custom picklist values?

ask and ye shall receive, h/t to https://community.skuid.com/t/readonly-picklist-radio-buttons-can-still-be-changed-on-…

add a line 

field.options.type = 'RADIO_BUTTONS';

before your skuid.ui.fieldRenderers

So Robin you might try

value = skuid.utils.decodeHTML(arguments[1]); field.options.type = 'RADIO_BUTTONS'; skuid.ui.fieldRenderers[field.metadata.displaytype][field.mode]