Antarctica’s sea-ice loss indicates a climate that is getting warmer and warmer and is not in balance. It shows that one of the most remote facets of the climate system is finally being affected by the overall planetary warming trend. While the melt itself is a natural process, global warming is not a process that will stop itself. It's high time the world takes the climate crisis more seriously.
Ice melt is complicated. It’s too early to link global warming and sea ice decline in Antarctica. Whether discussing sea ice in Antarctica or otherwise, there are often conflicting datasets, and not all ice melt results in sea level rise. The Earth's climate is constantly changing, and that includes Antarctica. A nuanced understanding of Earth's "cryosphere" is superior to simple climate alarmism.