Zoho forms and Zoho CRM

Zoho forms and Zoho CRM

Does zoho crm really consider zoho forms to be a third party product?
https://help.zoho.com/portal/en/kb/crm/integrations/google/google-ads/articles/configure-google-ads-crm-integration#Step_2_Add_hidden_element_in_your_web_forms
Why are integration instructions for zoho forms (note zoho forms is different from zoho crm webform) absent from this page. 
Zoho CRM team really considers zoho forms to be 3rd party? What a joke...