Reading the rest of the post, they're talking about fingerprinting:

"By undermining the business model of many ad-supported websites, blunt approaches to cookies encourage the use of opaque techniques such as fingerprinting (an invasive workaround to replace cookies), which can actually reduce user privacy and control."

"At the same time, we’re developing techniques to detect and mitigate covert tracking and workarounds by launching new anti-fingerprinting measures to discourage these kinds of deceptive and intrusive techniques"

"Workarounds" is also the wording they use on the Privacy Sandbox page: https://www.chromium.org/Home/chromium-privacy/privacy-sandb...

("Mitigating workarounds: As we’re removing the ability to do cross-site tracking with cookies, we need to ensure that developers take the well-lit path of the new functionality rather than attempt to track users through some other means. ...")