A detailed, trend-based analysis of WeTransfer's workforce strategy spanning 2020 to 2026, encompassing macro trends, current rationales, and recent specifics, could not be comprehensively formulated as the requisite data was not provided. The analytical framework, demanding insights into workforce expansion, freezes, reductions, efficiency initiatives, and strategic shifts towards areas like AI refocus, necessitates specific, verifiable data points for accurate derivation. Without the provision of such foundational information, including factual evidence of hiring trends, explicit justifications for strategic adjustments, or any discernible 2026 workforce developments, the generation of a data-dense, 160-200 word professional prose, as stipulated, is not feasible. Strict adherence to the instruction that all results must be derived exclusively from the provided list, which was absent, precludes the creation of speculative or unsupported content. Consequently, a robust assessment of WeTransfer's strategic pivots, their underlying economic or technological drivers, and any forward-looking workforce projections for 2026, remains beyond the scope of this response due to the critical absence of source material.