No. Set-asides and certifications give you access to contracts that others cannot bid on, but they do not replace capability. Agencies award to vendors who can actually deliver and who understand the field, so you still need real experience in the type of work being contracted. The advice is to bid within your genuine area of expertise rather than chasing set-asides in industries you have never worked in.
Similarly, collecting certification after certification without addressing the fundamentals does not win contracts. Certifications are one piece of one challenge; you also need a reliable way to find matching solicitations and the ability to submit compliant, well-packaged proposals with good contracting-officer relationships.
Treat certifications as supporters of your bids, not the goal: get the required basics in shape first — entity, registrations, capability statement, compliance — then add the certifications that genuinely fit your situation as your roadmap calls for them.