... if they can’t follow the rules.
What part is not following the rules?
If it's the listing as SN Plus as the resource conserving "classification", while the API "service category" is SP, that is acceptable on an oil listed as API SP for the "service category" during a transition period
The top of the donut is the API service category, and the bottom is the API classification, and those currently may differ
Specifically, an API "service category" SP may still be listed as "resource conserving" if it meets the API SN PLUS resource conserving classification standard up until April 30, 2021 (edit: actually, I am not 100% sure, but they may still be able to use the just the term resource conserving even after this, but not the starbust), but it needs to show SN PLUS in the donut to inform consumers (I presume a donut with text that says just "resource conserving" means it is API SP classification resource conserving).
"Until May 1, 2021, motor oils displaying the ILSAC Starburst can represent either API SN/SN Plus or API SP. On May 1, 2021, all products displaying the Starburst must meet API SP/Resource Conserving. During the transition period, one needs to look at the API Donut to be sure you are getting the latest technology."
API SP/Resource Conserving and ILSAC GF-6 Went Live Today! Today is the first day that passenger car motor oil can officially be licensed as ILSAC GF-6/API SP/Resource Conserving. According to API …
jobbersworld.com
Some examples from the API site itself showing a donut with API SP service category and API SN Plus classification
The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural gas industry. Our more than 600 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry.
www.api.org
(See the sample donut at the bottom)
(See the sample donut on page 3)
(See the sample donut on page 2)